volatile关键字对 - What is the volatile keyword useful for

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问题：

At work today, I came across the volatile keyword in Java. 今天的工作中，我遇到了Java中的volatile关键字。 Not being very familiar with it, I found this explanation: 不太熟悉，我发现了以下解释：

Java theory and practice: Managing volatility Java理论与实践：管理波动

Given the detail in which that article explains the keyword in question, do you ever use it or could you ever see a case in which you could use this keyword in the correct manner? 鉴于该文章详细解释了所讨论的关键字，您是否曾经使用过它，或者是否曾见过可以正确使用该关键字的情况？

解决方案：